import printing_functions as pf


unprinted_designs = ['iphone case', 'robot pendant', 'dodecaheron']
completed_models = []
pf.print_models(unprinted_designs[:], completed_models)
pf.show_completed_models(completed_models)
print(unprinted_designs)

pf.print_models(unprinted_designs, completed_models)
pf.show_completed_models(completed_models)
print(unprinted_designs)
